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---
pretty_name: "HebOCRBench v1 — Locked Source Mirror"
language:
  - he
task_categories:
  - image-to-text
tags:
  - ocr
  - hebrew
  - benchmark
  - reproducibility
license: other
---

# HebOCRBench v1 — locked source mirror

This repository is the minimal public transport mirror used to reproduce five
separate HebOCRBench v1 extension and synthetic-diagnostic roots. It contains
only the immutable artifacts selected by the benchmark registry; it does not
mirror the much larger upstream repositories.

The canonical source identities, upstream revisions, provenance, per-source
terms, expected sizes, and SHA-256 values remain in the public
[HebOCRBench registry](https://github.com/office883/HebOCRBench/blob/main/corpora/registry.yaml).
The release workflow downloads these mirror bytes and then verifies them
against those canonical registry checksums before any corpus is built.

| Path | Bytes | SHA-256 |
|---|---:|---|
| `foundation/test-synthetic-mixed-000.tar` | 64,563,200 | `12886b77eefb54f73ed2ea9ba9ddf4766de60ed2635126248344739626608927` |
| `foundation/train-niqqud-000.tar` | 318,689,280 | `05cd60b91ce566b23dd7024665026a615f2127b7abfaf8e8a10afd92d3945ff4` |
| `foundation/train-rashi-000.tar` | 118,077,440 | `f1adca1ba117160266325b2002abe62896f06986242ef145a34296852f7190ee` |
| `pinkas/historical-pinkas-handwriting-test-v1.tar` | 418,498,560 | `d986a3527d1ddae19cf2f09f3ff5e84458eeb5e1f6f9cb4e2a48d895dfcd5eb6` |
| `htr/stage3_human_finetune/test-00000.parquet` | 18,939,757 | `19823993891409e7fc90cac38230822cb88dd2010955a53d4618bfbc226f7d45` |

The Foundation files are synthetic and support non-rankable niqqud and
single-font Rashi diagnostics. The Parquet file supports the separate modern
handwriting extension. The historical-handwriting TAR contains a larger mixed
upstream shard; HebOCRBench selects only the locked six-page Pinkas subset.
None of these extensions is blended into the Modern Hebrew printed-document
headline score.

HebOCRBench software is MIT-licensed. That software license does not relicense
these data artifacts; consult the registry and upstream provenance before use
or redistribution outside benchmark evaluation.